Fredric March

Lieutenant Michel Denet

Warner Baxter

Captain Paul La Roche

Lionel Barrymore

Papa La Roche / Pvt. Morin

June Lang

Monique La Coste - nurse

Gregory Ratoff

Pipe-smoking whistling sgt

Victor Kilian

LaRoche's tall sgt

Paul Stanton

Relief captain

John Qualen

Duflous

Julius Tannen

Lieutenant Tannen

Theodore von Eltz

Major

Paul Fix

Rigaud

Leonid Kinskey

Ledoux

Eugene Borden

Sentry (uncredited)

Jean De Briac

Sergeant (uncredited)

Ben Hendricks Jr.

Sergeant (uncredited)

Nicholas Soussanin

French colonel (uncredited)

Barlowe Borland

Information clerk (uncredited)

Paul McVey

Signal man (uncredited)

Robert Graves

Colonel (uncredited)

John Bleifer

Runner (uncredited)

Pat West

Soldier (uncredited)

Karl Hackett

Soldier (uncredited)

Frank McGlynn Jr.

Soldier (uncredited)

Jack Pennick

Soldier (uncredited)